537  
CDUS42 KKEY 120534  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
134 AM EDT THU SEP 12 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR SEPTEMBER 11 2024
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 326 PM 96 2022 90 0 96  
2023  
MINIMUM 84 639 AM 69 1956 79 5 83  
AVERAGE 87 84 3 90  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.66 1963 0.20 -0.19 T  
MONTH TO DATE 0.57 2.23 -1.66 0.88  
SINCE SEP 1 0.57 2.23 -1.66 0.88  
SINCE JAN 1 35.70 25.69 10.01 24.44  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 22 19 3 25  
MONTH TO DATE 241 219 22 240  
SINCE SEP 1 241 219 22 240  
SINCE JAN 1 3909 3689 220 4549    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83  
LOWEST 70  
AVERAGE 77  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 96 2022  
MINIMUM TEMPERATURE (F) 79 71 1953  
1956  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2024.....SUNRISE 710 AM EDT SUNSET 731 PM EDT  
SEPTEMBER 13 2024.....SUNRISE 710 AM EDT SUNSET 730 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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